How do you say this another way?

I sympathize with you.

Question

How do you say this another way?

I sympathize with you.

Answer

I feel for you. 
I know how you feel.
That must be awful.

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I can imagine what you going through.😌

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A phrase made famous by Bill Clinton:   I feel your pain.

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you could also say things like "You have my sympathy" or "You have my sympathies" or if we want to be less formal we could say "I feel you" or "I feel ya"